621633025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 854945280

約数和(自身を除く): 233312255

約数列:

[1, 5, 13, 25, 53, 65, 151, 239, 265, 325, 689, 755, 1195, 1325, 1963, 3107, 3445, 3775, 5975, 8003, 9815, 12667, 15535, 17225, 36089, 40015, 49075, 63335, 77675, 104039, 164671, 180445, 200075, 316675, 469157, 520195, 823355, 902225, 1912717, 2345785, 2600975, 4116775, 9563585, 11728925, 24865321, 47817925, 124326605, 621633025]

約数ペア:

[(1, 621633025), (5, 124326605), (13, 47817925), (25, 24865321), (53, 11728925), (65, 9563585), (151, 4116775), (239, 2600975), (265, 2345785), (325, 1912717), (689, 902225), (755, 823355), (1195, 520195), (1325, 469157), (1963, 316675), (3107, 200075), (3445, 180445), (3775, 164671), (5975, 104039), (8003, 77675), (9815, 63335), (12667, 49075), (15535, 40015), (17225, 36089)]